Railroad-tie.



L. A. HAMILTON.

RAILROAD TIB.

APPLICATION FILED DEO.6, 1913.

Patented Aug. 11, 1914.

rH'E AoRRls ETERS C0.. PHOTO-LITHU., WASHINGTON, D. C.

lllllllllllnllflllll;

Wmme@ `Lewis n. HAMILTON, or Enno, NEVADA.

RAILROAD-TIE.

momes.

Speciication of Letters Patent.

Application filed December 6, 1913.

Patented Aug. 11, 1914. Serial No. 805,080.

To all whom t may concern j Be it known that l, Lewis A. HAMILTON, a citizen of the United States, residing at Elko, in the county of Elko and State of Nevada, have invented new and useful Improvements in Railroad-Ties, of which the following is a specification.

The present invention relates to improvements in ties for railway rails.

ln carrying out my invention propose to construct a tie of a metallic jacket or casing susceptible to a certain amount 'of yieldability, and being provided with a filler of compressed sawdust which has been treated with a preservative preferably of creosote and tar, which will not interfere with the resiliency of the tie, and whereby the rails will be ai'orded the desirable amount of elasticity.

A further object of the invention is the provision of means which may be removably connected with the tie for retaining the rails upon the tie.

With the above and other objects in view, the improvement resides in the construction, combination and arrangement of parts set forth in the following specilication and falling within the scope of the appended claims.

In the drawings: Figure l is a perspective view of my improvement showing the same supporting rails, Fig. 2 is a central 1ongitudinal sectional view through the saine, Fig. 3 is a transverse sectional view, and Fig. i is a perspective view of the rail retaining member. Fig. 5 is a detail longitudinal sectional view taken through one end of the tie illustrating the manner where`- by the end plate may be secured to within the shell of the tie.

Referring now to the drawing in detail, l designates a shell or casing constructed preferably of soft steel alloyed with copper. The shell or casing is of the required size and shape, and may include closed ends if desired, and the alloy of steel and copper renders the shell sufficiently resilient as to not interfere with the yielding of the rails thereon when rolling stock passes over the rails, which renders the tie equal in efciency to the ordinary wooden ties, and of a decidedly cheaper construction.

The shell has compressed therein a filler of sawdust 2, the said saw-dust during the process of compressing the same within the shell being treated with a preservative, preferably of creosote and tar.v The preservative is adapted to hold the articles of the sawdust against separation, but at the same time the treatment does not interfere with the yieldability of the compressed filler, and furthermore, the san -dust thusV treated will not be affected by moisture or by climatic changes.

The upper face of the shell l may be integrally formed with longitudinally extending enlargements or plates 3 which are disposed adjacent to the opposite ends of the ties, and each of the plates is integrally formed with an angularly arranged inturned lip 4, and each of said lips conforms in shape to the base lianges upon the outer faces of the rails, with which the said lips are adapted to engage. In the showing of the drawing, the plates 3 are illustrated as connected 'with the shell through the medium of rivets 5, and in order to sustain the rails tightly against the lips 4, the plates are provided with one or more openings 6 spaced a suitable distance from the lips and adapted to receive headed bolt members 7 which may pass through the upper and lower faces of the shell as well as the filler of the shell and be retained upon the tie through the medium of retaining nuts 8, as shown upon the left hand side of Fig. 2, or the bolt may pass through the openings 6 in the plate 3 and have their shanks embedded within the filler 2 as shown on the left hand side of said Fig. 2. The heads of the bolts are adapted to overlie the inner longitudinal edges of the rails R, and by this means the said rails are effectively sustained upon the tie.

While in Figs. 1 and 2 of the drawings, the end plates are illustrated as secured to the ends of the shell 1 through the medium of rivets, I have found it preferable to bend or crimp one of the ends, as illustrated in Fig. 5, to provide inturnedI flanges A, and then insert one of the end plates B through the opposite end of the shell and rests upon the flanges A. When one of the plates B is thus positioned the shell and a filler 2 inserted and tamped within the shell, after which a second plate is inserted over the iiller within the second end of the tie, and the edges of the said ends are bent over the second: plate B,= thusl closing the ends and retaining the filler within the shell.

From the above description, taken in connection withthe accompanying drawing, the

simplicity of the *devicel as well as the ad` vantages thereof will, it is thought, be per? retaining the rails upon the tie, said means comprising plates having integrally 'formed angular lips vwhich engage the outer hase flanges of the rails, and bolts passing through the plates to Within the tie and. having their heads engaging With the inner l hase anges of the rail.

In testimony whereof I affix my signature in presence of two witnesses.

LEIVIS A. HAMILTON.

Viitnesses: l

JAMES W. KENNON, B0B MCGRATH.

l Copies of ,this patent may be pbtained for five cenas each, by addressing the Commissioner of Patents,

A Washington, D. C. 

